JeProfInfo.py

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import FWCore.ParameterSet.Config as cms
def customise(process):

    #Add the configuration for JeProfService running to dump Jemalloc heap profile snapshots:
    process.JeProfService = cms.Service("JeProfService",
        reportFirstEvent            = cms.untracked.int32(1),  #Dump first event for baseline studies
        reportEventInterval         = cms.untracked.int32( ((process.maxEvents.input.value()-1)//2) ), # dump in the middle of the run
        reportToFileAtPostEvent     = cms.untracked.string("jeprof.%I.heap")
        )

    return(process)